How to fix ghost touch issue after downgrading from Android 10 beta to pie

Please tell us some basic information before asking for help:
- Model Name: Asus Zenfone Max M2 ZB632KL
- Firmware Version:
- Rooted or not:Not roofed
- Frequency of Occurrence: Randomly
- APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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Hi, kindly help us with the following information to find a solution to your query.
1. Firmware version your device is on.
2. Elaborate more on your concern.
I used android 10 beta and after facing some bugs I flashed the downgrade file and suddenly the ghost touch issue started to show up. And again I switched to Android 10 beta but the problem still prevails.
I have shared everything I know till now , hope this is enough to come up with a solution.
I have started ghost touch issue on my asus Zenfone max M2 after 14 June 2020 update I have tried the factory data reset but the issue is there